Question
We know that each pixel i in the input image I has rgb colors. My question is how to store them in a 3-vector Ii. Each color is being represented using a 64-bit floating-point number scaled to between 0 and 1.
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Expert Answer
Prashant Kumar
PhD Expert
Answered Aug 14, 2026
Sean de has told you how to get each plane, but it sounds like you want some kind of vector. I am not sure what you mean by a 3 vector, but here are a couple of guesses.
If you want 3 vectors:
R = reshape(I(:,:,1),[],1); G = reshape(I(:,:,2),[],1); B = reshape(I(:,:,3),[],1);
Now if you want them all together in a 3 column vector:
V3 = reshape(A(:),[],3) % R is first col, G is second col, B is third.
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